第二部分 英语知识运用（共两节，满分45分）
第一节 单项填空（共15小题；每小题l分，满分l5分）
21. For a long time, they walked without saying _________ word. Jim was the first to break ________ silence.
A. the; a B. a; the C. a; 不填 D. the; 不填
22. — Look, where are you going?
— I can’t ________ the map and drive at the same time, can I?
A. watch B. read C. see D. notice
23. A clean environment can help the city bid for the Olympics, which _______ will promote its economic development.
A. in nature B. in return C. in turn D. in fact
【答案】C
【解析】
试题分析：考查介词短语：句意：一个清洁的环境可以有助于城市申报奥运，这反过来会促进经济发展。in nature意为“在自然界中”；in return意为“作为交换；作为报答”；in turn意为“依次；反过来”；in fact意为“实际上”。根据句意应选C项。
考点：考查介词短语
